| 摘要 |
<p>PURPOSE:To make it possible to always hang body frames different in shape and/or size in suitable posture and height by detachably attaching, to the bottom end of a hanging down arm via a lock mechanism, a hanging down rod equipped with a locking member capable of locking a body frame. CONSTITUTION:When a shape and/or size of a body frame F is changed, rods 28f,28f,28r,28r attached to a supporting member are detached for the sake of attaching front and rear hanging down rods 28f,28f, 28r,28r corresponding to a new frame F. At that time, when a wedge member 44 is inserted to in a lock releasing member 421 of a supporting member 42, and a sliding rod 36 and a cap body 31 are pushed up, a notch 311 of the cap body 31 opposes a ball hole 292, and a ball for detaching the rod 28r a notch 311 of the cap body 31 opposes a ball hole 292, and a ball 32 becomes in a movable state outward. Then, lock of a binding shaft 33 by the ball 32 is released, and the rods 28r,28r can be extracted downward, rods 28f,28f are also extracted in the same way, and new rods 28r,28r and rods are attached.</p> |
